URLs in this post:[1] Image: http://www.nytimes.com/2010/09/26/books/bestseller/besthardadvice.html?ref=bestseller[2] It’s #9 for the week of October 3, 2010.: http://www.nytimes.com/2010/10/03/books/bestseller/besthardadvice.html?_r=1&ref=bestseller[3] It’s #14 for the week of October 10, 2010.: http://www.nytimes.com/best-sellers-books/2010-10-10/hardcover-advice/list.html[4] It’s #9 for the week of November 7, 2010.: http://www.nytimes.com/best-sellers-books/2010-11-07/hardcover-advice/list.html[5] It’s #15 for the week of November 28, 2010.: http://www.nytimes.com/best-sellers-books/2010-11-28/hardcover-advice/list.html[6] It’s #11 for the week of December 5, 2010.: http://www.nytimes.com/best-sellers-books/2010-12-05/hardcover-advice/list.html